-4(x + 6) = -40 pls help!

Which statements regarding the diagram are true? check all that apply.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class